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$173+ Cheap flights from Louisville to Seattle (SDF - SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SEA
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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The best prices from Louisville Intl to Seattle/Tacoma Intl are usually found in January or October, booked 37 days in advance, depart on a Tuesday or Sunday and return on a Saturday

Cheap flight deals from Louisville to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

June

Cheapest in

January

Round-trip from

$346
(Delta)

One-way from

$173
(American Airlines)
Provider with most accurate pricing for Louisville Intl-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Louisville Intl-Seattle/Tacoma Intl flights.
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High demand for flights, 25% potential price rise
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Best time to find cheap flights, 23% potential price drop
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From Louisville Intl to Seattle/Tacoma Intl
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One-way flight from Louisville Intl to Seattle/Tacoma Intl
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Find flight deals from Louisville to Seattle

Cheapest flights from Louisville to Seattle
Explore the most affordable flight options available from Louisville to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This Delta deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/107:35 amSDF - SEA
1 stop10h 10mDelta
Tue 12/1011:05 pmSEA - SDF
1 stop8h 05mDelta
Deal found 11/19$346
This United Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/127:00 amSDF - SEA
1 stop8h 08mUnited Airlines
Sun 12/155:00 amSEA - SDF
1 stop6h 24mUnited Airlines
Deal found 11/20$360
This American Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/113:41 pmSDF - SEA
1 stop8h 38mAmerican Airlines
Tue 12/171:56 pmSEA - SDF
1 stop7h 18mAmerican Airlines
Deal found 11/19$366
This Alaska Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/175:00 amSDF - SEA
1 stop8h 43mAlaska Airlines
Tue 12/2410:36 pmSEA - SDF
1 stop9h 15mAlaska Airlines
Deal found 11/19$471
This Mytrip deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/69:53 pmSDF - SEA
3 stops29h 17mSpirit Airlines
Sun 12/85:15 amSEA - SDF
3 stops36h 43mSpirit Airlines
Deal found 11/18$477
This Southwest deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1712:50 pmSDF - SEA
2 stops10h 55mSouthwest
Tue 12/248:25 amSEA - SDF
1 stop11h 00mSouthwest
Deal found 11/19$498
This Mytrip deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/69:53 pmSDF - SEA
3 stops29h 17mMultiple Airlines
Sun 12/812:50 pmSEA - SDF
2 stops24h 48mMultiple Airlines
Deal found 11/18$519

Find flights from Louisville to Seattle within your budget

Customize your flight search to find flights from Louisville to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 20, 2024.

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Route

Depart

Return

Price

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Tue 12/10

7:35 am-2:45 pm

1 stop10h 10m

Seattle/Tacoma Intl

Tue 12/10

11:05 pm-10:10 am

1 stop8h 05m

$346

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Wed 1/8

7:05 am-1:06 pm

1 stop9h 01m

Seattle/Tacoma Intl

Wed 1/22

1:43 pm-12:35 am

1 stop7h 52m

$347

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Wed 1/8

8:05 am-5:20 pm

2 stops12h 15m

Seattle/Tacoma Intl

Wed 1/22

7:30 am-7:25 pm

1 stop8h 55m

$356

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Thu 12/12

7:00 am-3:21 pm

2 stops11h 21m

Seattle/Tacoma Intl

Sun 12/15

5:00 am-2:24 pm

1 stop6h 24m

$365

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Fri 5/16

7:00 pm-12:15 pm

1 stop20h 15m

Seattle/Tacoma Intl

Sun 5/25

6:33 pm-11:13 am

1 stop13h 40m

$435

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Tue 12/17

5:00 am-10:43 am

1 stop8h 43m

Seattle/Tacoma Intl

Tue 12/24

10:36 pm-10:51 am

1 stop9h 15m

$471

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Fri 12/6

9:53 pm-12:10 am

3 stops29h 17m

Seattle/Tacoma Intl

Sun 12/8

5:15 am-8:58 pm

3 stops36h 43m

$477

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Fri 12/6

9:53 pm-12:10 am

3 stops29h 17m

Seattle/Tacoma Intl

Sun 12/8

12:50 pm-4:38 pm

2 stops24h 48m

$519

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Tue 12/10

5:00 am-1:04 pm

1 stop11h 04m

$173

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Sun 2/23

7:00 am-11:20 am

1 stop7h 20m

$208

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 16 results
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Compare providers for flights from Louisville to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Louisville to Seattle in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Louisville-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Louisville-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Louisville-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Louisville-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Louisville to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Louisville with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Louisville to Seattle

Get recent, data-driven insights about flights from Louisville to Seattle including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Louisville to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Louisville to Seattle. Price data was last updated on November 15, 2024.

The best time to book flights from Louisville to Seattle is 37 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Louisville to Seattle?

Currently, January is the cheapest month in which you can book a flight from Louisville to Seattle (average of $238). Flying from Louisville to Seattle in July is currently the most expensive (average of $411). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SDF to SEA?

Find hourly flight availability from Louisville to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

A simple way to save on the total cost of your ticket is to fly from Louisville to Seattle in the evening. If you’re flexible enough to do this you can expect to save up to 22% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Louisville to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Louisville to Seattle. Price data was last updated on November 10, 2024.

Travelers seeking maximum savings on their Louisville to Seattle flight should consider departing on Wednesday evenings when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated November 20, 2024.
Peruse reviews from past customers who have flown with Delta, American Airlines and Southwest from Louisville to Seattle to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,014 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,461 reviews
Southwest
8.1
Very good
5,014 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,756 reviews
Southwest
8.1
Very good
5,014 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,171 reviews
Southwest
8.1
Very good
5,014 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

WestJet
7.3
Good
2,811 reviews
Southwest
8.1
Very good
5,014 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from Louisville to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Louisville to Seattle round-trip?

    Delta, at $346, was found to be the cheapest airline from Louisville to Seattle.Alternate airlines to your destination round-trip include American Airlines and Southwest. Delta is 26% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Louisville to Seattle one-way?

    One-way options have recently been found by users for as low as $173 on American Airlines. Other airlines that offer cheap prices include Southwest from $208 and United Airlines from $223 one-way.

  • Can I find deals for flights from Louisville to Seattle that include hotel bookings?

    Yes. In addition to deals on Louisville to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Louisville to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to Seattle.

  • Can I find deals for business class flights from Louisville to Seattle?

    Yes. Cheapflights offers flight deals from Louisville to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Louisville to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Louisville to Seattle (average of $238). Flying from Louisville to Seattle in July is currently the most expensive (average of $411). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 7 airlines flying from Louisville to Seattle

Discover the top 7 airlines that operate flights from Louisville to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$201Average$276FlexibilityNo cancel feeOn-time65%
Sun Country AirCheapest$238Average$355FlexibilityNo cancel feeOn-time83%
DeltaCheapest$315Average$501FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$330Average$488FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$335Average$596FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$354Average$426FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$416Average$704FlexibilityNo cancel feeOn-time75%
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